[19:41:09] [Server thread/CRITICAL]: Error: "Call to undefined method revivalpmmp\pureentities\entity\monster\walking\Witch::getInventory()" (EXCEPTION) in "plugins/StaffToolsMCPE/src/Senpayeh/StaffTools/EventListener" at line 23
[19:41:09] [Server thread/DEBUG]: #0 src/pocketmine/plugin/MethodEventExecutor(42): Senpayeh\StaffTools\EventListener->onEntityDamageByEntity(object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #1 src/pocketmine/plugin/RegisteredListener(80): pocketmine\plugin\MethodEventExecutor->execute(object Senpayeh\StaffTools\EventListener, object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #2 src/pocketmine/event/Event(88): pocketmine\plugin\RegisteredListener->callEvent(object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #3 src/pocketmine/entity/Entity(927): pocketmine\event\Event->call()
[19:41:09] [Server thread/DEBUG]: #4 src/pocketmine/entity/Living(540): pocketmine\entity\Entity->attack(object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #5 src/pocketmine/Player(3684): pocketmine\entity\Living->attack(object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #6 plugins/PureEntitiesX/src/revivalpmmp/pureentities/entity/monster/walking/Witch(110): pocketmine\Player->attack(object pocketmine\event\entity\EntityDamageByEntityEvent)
[19:41:09] [Server thread/DEBUG]: #7 plugins/PureEntitiesX/src/revivalpmmp/pureentities/entity/monster/WalkingMonster(72): revivalpmmp\pureentities\entity\monster\walking\Witch->attackEntity(object pocketmine\Player)
[19:41:09] [Server thread/DEBUG]: #8 plugins/PureEntitiesX/src/revivalpmmp/pureentities/entity/monster/WalkingMonster(198): revivalpmmp\pureentities\entity\monster\WalkingMonster->checkAndAttackEntity(object pocketmine\Player)
[19:41:09] [Server thread/DEBUG]: #9 src/pocketmine/level/Level(841): revivalpmmp\pureentities\entity\monster\WalkingMonster->onUpdate(integer 26045526)
[19:41:09] [Server thread/DEBUG]: #10 src/pocketmine/level/Level(774): pocketmine\level\Level->actuallyDoTick(integer 26045526)
[19:41:09] [Server thread/DEBUG]: #11 src/pocketmine/Server(2255): pocketmine\level\Level->doTick(integer 26045526)
[19:41:09] [Server thread/DEBUG]: #12 src/pocketmine/Server(2386): pocketmine\Server->checkTickUpdates(integer 26045526, double 1583005269.5972)
[19:41:09] [Server thread/DEBUG]: #13 src/pocketmine/Server(2142): pocketmine\Server->tick()
[19:41:09] [Server thread/DEBUG]: #14 src/pocketmine/Server(1989): pocketmine\Server->tickProcessor()
[19:41:09] [Server thread/DEBUG]: #15 src/pocketmine/Server(1583): pocketmine\Server->start()
[19:41:09] [Server thread/DEBUG]: #16 src/pocketmine/PocketMine(274): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[11] /root/Noia/, string[19] /root/Noia/plugins/)
[19:41:09] [Server thread/DEBUG]: #17 src/pocketmine/PocketMine(297): pocketmine\server()
[19:41:09] [Server thread/DEBUG]: #18 (11): require(string[66] phar:///root/Noia/PocketMine-MP.phar/src/pocketmine/PocketMine.php)
[19:41:09] [Server thread/EMERGENCY]: An unrecoverable error has occurred and the server has crashed. Creating a crash dump
[19:41:09] [Server thread/EMERGENCY]: Please upload the "/root/Noia/crashdumps/Sat_Feb_29-19.41.09-UTC_2020.log" file to the Crash Archive and submit the link to the Bug Reporting page. Give as much info as you can.